Bonjour
J'essaie d'accéder a un entity bean par le biais d'une page jsp en utilisant usebean
Voici l'erreur que Jboss me sort
le code de ma jsp
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101 2008-01-26 18:03:20,109 ERROR [org.apache.catalina.core.ContainerBase.[jboss.web].[localhost].[/toto].[jsp]] Servlet.service() for servlet jsp threw exception org.apache.jasper.JasperException: /usersGetted.jsp(7,1) The value for the useBean class attribute User is invalid. at org.apache.jasper.compiler.DefaultErrorHandler.jspError(DefaultErrorHandler.java:39) at org.apache.jasper.compiler.ErrorDispatcher.dispatch(ErrorDispatcher.java:405) at org.apache.jasper.compiler.ErrorDispatcher.jspError(ErrorDispatcher.java:146) at org.apache.jasper.compiler.Generator$GenerateVisitor.visit(Generator.java:1174) at org.apache.jasper.compiler.Node$UseBean.accept(Node.java:1116) at org.apache.jasper.compiler.Node$Nodes.visit(Node.java:2163) at org.apache.jasper.compiler.Node$Visitor.visitBody(Node.java:2213) at org.apache.jasper.compiler.Node$Visitor.visit(Node.java:2219) at org.apache.jasper.compiler.Node$Root.accept(Node.java:456) at org.apache.jasper.compiler.Node$Nodes.visit(Node.java:2163) at org.apache.jasper.compiler.Generator.generate(Generator.java:3320) at org.apache.jasper.compiler.Compiler.generateJava(Compiler.java:198) at org.apache.jasper.compiler.Compiler.compile(Compiler.java:295) at org.apache.jasper.compiler.Compiler.compile(Compiler.java:276) at org.apache.jasper.compiler.Compiler.compile(Compiler.java:264) at org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:563) at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:305) at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:314) at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:264) at javax.servlet.http.HttpServlet.service(HttpServlet.java:810) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:672) at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:463) at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:398) at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:301) at servlet.GetUsersServlet.doPost(Unknown Source) at javax.servlet.http.HttpServlet.service(HttpServlet.java:717) at javax.servlet.http.HttpServlet.service(HttpServlet.java:810) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178) at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:175) at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:74) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105) at org.jboss.web.tomcat.tc5.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:156) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148) at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:869) at org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:664) at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527) at org.apache.tomcat.util.net.MasterSlaveWorkerThread.run(MasterSlaveWorkerThread.java:112) at java.lang.Thread.run(Thread.java:595) 2008-01-26 18:03:20,109 ERROR [org.apache.catalina.core.ContainerBase.[jboss.web].[localhost].[/toto].[GetUsersServlet]] Servlet.service() for servlet GetUsersServlet threw exception org.apache.jasper.JasperException: /usersGetted.jsp(7,1) The value for the useBean class attribute User is invalid. at org.apache.jasper.compiler.DefaultErrorHandler.jspError(DefaultErrorHandler.java:39) at org.apache.jasper.compiler.ErrorDispatcher.dispatch(ErrorDispatcher.java:405) at org.apache.jasper.compiler.ErrorDispatcher.jspError(ErrorDispatcher.java:146) at org.apache.jasper.compiler.Generator$GenerateVisitor.visit(Generator.java:1174) at org.apache.jasper.compiler.Node$UseBean.accept(Node.java:1116) at org.apache.jasper.compiler.Node$Nodes.visit(Node.java:2163) at org.apache.jasper.compiler.Node$Visitor.visitBody(Node.java:2213) at org.apache.jasper.compiler.Node$Visitor.visit(Node.java:2219) at org.apache.jasper.compiler.Node$Root.accept(Node.java:456) at org.apache.jasper.compiler.Node$Nodes.visit(Node.java:2163) at org.apache.jasper.compiler.Generator.generate(Generator.java:3320) at org.apache.jasper.compiler.Compiler.generateJava(Compiler.java:198) at org.apache.jasper.compiler.Compiler.compile(Compiler.java:295) at org.apache.jasper.compiler.Compiler.compile(Compiler.java:276) at org.apache.jasper.compiler.Compiler.compile(Compiler.java:264) at org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:563) at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:305) at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:314) at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:264) at javax.servlet.http.HttpServlet.service(HttpServlet.java:810) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:672) at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:463) at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:398) at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:301) at servlet.GetUsersServlet.doPost(Unknown Source) at javax.servlet.http.HttpServlet.service(HttpServlet.java:717) at javax.servlet.http.HttpServlet.service(HttpServlet.java:810) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178) at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:175) at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:74) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105) at org.jboss.web.tomcat.tc5.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:156) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148) at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:869) at org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:664) at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527) at org.apache.tomcat.util.net.MasterSlaveWorkerThread.run(MasterSlaveWorkerThread.java:112) at java.lang.Thread.run(Thread.java:595)
Le code de ma servlet
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14 <html> <body> <%@ page import="ejb.User" %> <%@ page import="java.util.List" %> <table> <jsp:useBean id="user" class="User" scope="request"/> <tr> <td><%= user.getNom() %></td> </tr> </table> </html> </body>
Code : Sélectionner tout - Visualiser dans une fenêtre à part
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39 import java.util.Properties; import java.util.*; import ejb.User; import ejb.UserBean; import ejb.UserLocal; public class GetUsersServlet extends HttpServlet { protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { // get parameters UserLocal userLocal;int i=0; RequestDispatcher rd = null; try{ final Hashtable<String, String> env = new Hashtable<String, String>(); env.put(Context.INITIAL_CONTEXT_FACTORY, "org.jnp.interfaces.NamingContextFactory"); env.put(Context.URL_PKG_PREFIXES, "org.jboss.naming:org.jnp.interfaces"); env.put(Context.PROVIDER_URL, "localhost:1099"); Context ctx = new InitialContext(env); userLocal = (UserLocal)ctx.lookup("hellouser/UserBean/local"); User u = userLocal.getUser("bebert"); request.setAttribute("user",u); if(u!= null) { rd = request.getRequestDispatcher("usersGetted.jsp"); } else { rd = request.getRequestDispatcher("usersNotGetted.jsp"); } }catch(Exception e){rd = request.getRequestDispatcher("erreur.jsp");e.printStackTrace();} rd.forward(request, response); } }
Ma servlet qui initialise le bean User se trouve dans le répertoire WEB-INF/classes de mon fichier war mais pas mon fichier User.class
Je me demande si je dois mettre User.class dans ce répertoire classes? (car il se trouve deja dans un fichier ejb.jar)
Je précise que j'utilise JBoss 4.0.5
Merci de m'aider
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